I followed the instructions for ROS at https://wiki.bitcraze.io/doc:lps:ros to try and hover autonomously. However the ROS node lps_ekf_bridge fails to execute properly.
reques
More specifically, when I try to launch

a runtime error is thrown during the setting up of anchor positions. And confusingly, the runtime error differs from time to time and is thrown during different anchor setups. I have attached the screenshots for two attempts back-to-back without any changes to the system.